USER: implement chat UI (GSOC)

[disha1202]

Is your feature request related to a problem? Please describe.
Implement Chat UI in user portal.

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Potential internship candidates
Please read this if you are planning to apply for a Palisadoes Foundation internship PalisadoesFoundation/talawa#359

[disha1202]

Please assign this to me.

[github-actions]

This issue did not get any activity in the past 10 days and will be closed in 180 days if no update occurs. Please check if the develop branch has fixed it and report again or close the issue.

[pranshugupta54]

@disha1202, PR looks merged - can we close this issue?

[disha1202]

Yes, we can.